<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8" />
    <title>计时器</title>
    <link rel="stylesheet" href="./css/index.css">

</head>

<body>


    <h1>计时器</h1>
    <div class="counter">
        <input type="checkbox" id="start" hidden>
        <label class="btn start" for="start"></label>
        <label class="btn reset">重置</label>
        <div class="clock"></div>
    </div>

</body>

</html>